diff --git a/test/CodeGen/X86/pmulh.ll b/test/CodeGen/X86/pmulh.ll
index 12d46d9..aa0daff 100644
--- a/test/CodeGen/X86/pmulh.ll
+++ b/test/CodeGen/X86/pmulh.ll
@@ -5,13 +5,13 @@
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefixes=AVX,AVX512,AVX512F
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw | FileCheck %s --check-prefixes=AVX,AVX512,AVX512BW
 
-define <4 x i16> @mulhuw_v4i16(<4 x i16> %a, <4 x i16> %b) {
-; SSE-LABEL: mulhuw_v4i16:
+define <4 x i16> @zext_mulhuw_v4i16(<4 x i16> %a, <4 x i16> %b) {
+; SSE-LABEL: zext_mulhuw_v4i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhuw %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
-; AVX-LABEL: mulhuw_v4i16:
+; AVX-LABEL: zext_mulhuw_v4i16:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhuw %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    retq
@@ -23,13 +23,13 @@
   ret <4 x i16> %e
 }
 
-define <4 x i16> @mulhw_v4i16(<4 x i16> %a, <4 x i16> %b) {
-; SSE-LABEL: mulhw_v4i16:
+define <4 x i16> @sext_mulhw_v4i16(<4 x i16> %a, <4 x i16> %b) {
+; SSE-LABEL: sext_mulhw_v4i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhw %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
-; AVX-LABEL: mulhw_v4i16:
+; AVX-LABEL: sext_mulhw_v4i16:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhw %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    retq
@@ -41,13 +41,13 @@
   ret <4 x i16> %e
 }
 
-define <8 x i16> @mulhuw_v8i16(<8 x i16> %a, <8 x i16> %b) {
-; SSE-LABEL: mulhuw_v8i16:
+define <8 x i16> @zext_mulhuw_v8i16(<8 x i16> %a, <8 x i16> %b) {
+; SSE-LABEL: zext_mulhuw_v8i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhuw %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
-; AVX-LABEL: mulhuw_v8i16:
+; AVX-LABEL: zext_mulhuw_v8i16:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhuw %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    retq
@@ -59,13 +59,13 @@
   ret <8 x i16> %e
 }
 
-define <8 x i16> @mulhw_v8i16(<8 x i16> %a, <8 x i16> %b) {
-; SSE-LABEL: mulhw_v8i16:
+define <8 x i16> @sext_mulhw_v8i16(<8 x i16> %a, <8 x i16> %b) {
+; SSE-LABEL: sext_mulhw_v8i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhw %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
-; AVX-LABEL: mulhw_v8i16:
+; AVX-LABEL: sext_mulhw_v8i16:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhw %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    retq
@@ -77,14 +77,14 @@
   ret <8 x i16> %e
 }
 
-define <16 x i16> @mulhuw_v16i16(<16 x i16> %a, <16 x i16> %b) {
-; SSE-LABEL: mulhuw_v16i16:
+define <16 x i16> @zext_mulhuw_v16i16(<16 x i16> %a, <16 x i16> %b) {
+; SSE-LABEL: zext_mulhuw_v16i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhuw %xmm2, %xmm0
 ; SSE-NEXT:    pmulhuw %xmm3, %xmm1
 ; SSE-NEXT:    retq
 ;
-; AVX-LABEL: mulhuw_v16i16:
+; AVX-LABEL: zext_mulhuw_v16i16:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhuw %ymm1, %ymm0, %ymm0
 ; AVX-NEXT:    retq
@@ -96,14 +96,14 @@
   ret <16 x i16> %e
 }
 
-define <16 x i16> @mulhw_v16i16(<16 x i16> %a, <16 x i16> %b) {
-; SSE-LABEL: mulhw_v16i16:
+define <16 x i16> @sext_mulhuw_v16i16(<16 x i16> %a, <16 x i16> %b) {
+; SSE-LABEL: sext_mulhuw_v16i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhw %xmm2, %xmm0
 ; SSE-NEXT:    pmulhw %xmm3, %xmm1
 ; SSE-NEXT:    retq
 ;
-; AVX-LABEL: mulhw_v16i16:
+; AVX-LABEL: sext_mulhuw_v16i16:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhw %ymm1, %ymm0, %ymm0
 ; AVX-NEXT:    retq
@@ -115,8 +115,8 @@
   ret <16 x i16> %e
 }
 
-define <32 x i16> @mulhuw_v32i16(<32 x i16> %a, <32 x i16> %b) {
-; SSE-LABEL: mulhuw_v32i16:
+define <32 x i16> @zext_mulhuw_v32i16(<32 x i16> %a, <32 x i16> %b) {
+; SSE-LABEL: zext_mulhuw_v32i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhuw %xmm4, %xmm0
 ; SSE-NEXT:    pmulhuw %xmm5, %xmm1
@@ -124,13 +124,13 @@
 ; SSE-NEXT:    pmulhuw %xmm7, %xmm3
 ; SSE-NEXT:    retq
 ;
-; AVX2-LABEL: mulhuw_v32i16:
+; AVX2-LABEL: zext_mulhuw_v32i16:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhuw %ymm2, %ymm0, %ymm0
 ; AVX2-NEXT:    vpmulhuw %ymm3, %ymm1, %ymm1
 ; AVX2-NEXT:    retq
 ;
-; AVX512F-LABEL: mulhuw_v32i16:
+; AVX512F-LABEL: zext_mulhuw_v32i16:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm3
@@ -139,7 +139,7 @@
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512F-NEXT:    retq
 ;
-; AVX512BW-LABEL: mulhuw_v32i16:
+; AVX512BW-LABEL: zext_mulhuw_v32i16:
 ; AVX512BW:       # %bb.0:
 ; AVX512BW-NEXT:    vpmulhuw %zmm1, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
@@ -151,8 +151,8 @@
   ret <32 x i16> %e
 }
 
-define <32 x i16> @mulhw_v32i16(<32 x i16> %a, <32 x i16> %b) {
-; SSE-LABEL: mulhw_v32i16:
+define <32 x i16> @sext_mulhuw_v32i16(<32 x i16> %a, <32 x i16> %b) {
+; SSE-LABEL: sext_mulhuw_v32i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhw %xmm4, %xmm0
 ; SSE-NEXT:    pmulhw %xmm5, %xmm1
@@ -160,13 +160,13 @@
 ; SSE-NEXT:    pmulhw %xmm7, %xmm3
 ; SSE-NEXT:    retq
 ;
-; AVX2-LABEL: mulhw_v32i16:
+; AVX2-LABEL: sext_mulhuw_v32i16:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhw %ymm2, %ymm0, %ymm0
 ; AVX2-NEXT:    vpmulhw %ymm3, %ymm1, %ymm1
 ; AVX2-NEXT:    retq
 ;
-; AVX512F-LABEL: mulhw_v32i16:
+; AVX512F-LABEL: sext_mulhuw_v32i16:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm3
@@ -175,7 +175,7 @@
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512F-NEXT:    retq
 ;
-; AVX512BW-LABEL: mulhw_v32i16:
+; AVX512BW-LABEL: sext_mulhuw_v32i16:
 ; AVX512BW:       # %bb.0:
 ; AVX512BW-NEXT:    vpmulhw %zmm1, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
@@ -187,8 +187,8 @@
   ret <32 x i16> %e
 }
 
-define <64 x i16> @mulhuw_v64i16(<64 x i16> %a, <64 x i16> %b) {
-; SSE-LABEL: mulhuw_v64i16:
+define <64 x i16> @zext_mulhuw_v64i16(<64 x i16> %a, <64 x i16> %b) {
+; SSE-LABEL: zext_mulhuw_v64i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    movq %rdi, %rax
 ; SSE-NEXT:    pmulhuw {{[0-9]+}}(%rsp), %xmm0
@@ -209,7 +209,7 @@
 ; SSE-NEXT:    movdqa %xmm0, (%rdi)
 ; SSE-NEXT:    retq
 ;
-; AVX2-LABEL: mulhuw_v64i16:
+; AVX2-LABEL: zext_mulhuw_v64i16:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhuw %ymm4, %ymm0, %ymm0
 ; AVX2-NEXT:    vpmulhuw %ymm5, %ymm1, %ymm1
@@ -217,7 +217,7 @@
 ; AVX2-NEXT:    vpmulhuw %ymm7, %ymm3, %ymm3
 ; AVX2-NEXT:    retq
 ;
-; AVX512F-LABEL: mulhuw_v64i16:
+; AVX512F-LABEL: zext_mulhuw_v64i16:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm2, %ymm4
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm5
@@ -231,7 +231,7 @@
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm1, %zmm1
 ; AVX512F-NEXT:    retq
 ;
-; AVX512BW-LABEL: mulhuw_v64i16:
+; AVX512BW-LABEL: zext_mulhuw_v64i16:
 ; AVX512BW:       # %bb.0:
 ; AVX512BW-NEXT:    vpmulhuw %zmm2, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpmulhuw %zmm3, %zmm1, %zmm1
@@ -244,8 +244,8 @@
   ret <64 x i16> %e
 }
 
-define <64 x i16> @mulhw_v64i16(<64 x i16> %a, <64 x i16> %b) {
-; SSE-LABEL: mulhw_v64i16:
+define <64 x i16> @sext_mulhuw_v64i16(<64 x i16> %a, <64 x i16> %b) {
+; SSE-LABEL: sext_mulhuw_v64i16:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    movq %rdi, %rax
 ; SSE-NEXT:    pmulhw {{[0-9]+}}(%rsp), %xmm0
@@ -266,7 +266,7 @@
 ; SSE-NEXT:    movdqa %xmm0, (%rdi)
 ; SSE-NEXT:    retq
 ;
-; AVX2-LABEL: mulhw_v64i16:
+; AVX2-LABEL: sext_mulhuw_v64i16:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhw %ymm4, %ymm0, %ymm0
 ; AVX2-NEXT:    vpmulhw %ymm5, %ymm1, %ymm1
@@ -274,7 +274,7 @@
 ; AVX2-NEXT:    vpmulhw %ymm7, %ymm3, %ymm3
 ; AVX2-NEXT:    retq
 ;
-; AVX512F-LABEL: mulhw_v64i16:
+; AVX512F-LABEL: sext_mulhuw_v64i16:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm2, %ymm4
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm5
@@ -288,7 +288,7 @@
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm1, %zmm1
 ; AVX512F-NEXT:    retq
 ;
-; AVX512BW-LABEL: mulhw_v64i16:
+; AVX512BW-LABEL: sext_mulhuw_v64i16:
 ; AVX512BW:       # %bb.0:
 ; AVX512BW-NEXT:    vpmulhw %zmm2, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpmulhw %zmm3, %zmm1, %zmm1
@@ -301,13 +301,13 @@
   ret <64 x i16> %e
 }
 
-define <8 x i16> @mulhuw_v8i16_i64(<8 x i16> %a, <8 x i16> %b) {
-; SSE-LABEL: mulhuw_v8i16_i64:
+define <8 x i16> @zext_mulhuw_v8i16_i64(<8 x i16> %a, <8 x i16> %b) {
+; SSE-LABEL: zext_mulhuw_v8i16_i64:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhuw %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
-; AVX-LABEL: mulhuw_v8i16_i64:
+; AVX-LABEL: zext_mulhuw_v8i16_i64:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhuw %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    retq
@@ -319,13 +319,13 @@
   ret <8 x i16> %e
 }
 
-define <8 x i16> @mulhw_v8i16_i64(<8 x i16> %a, <8 x i16> %b) {
-; SSE-LABEL: mulhw_v8i16_i64:
+define <8 x i16> @sext_mulhuw_v8i16_i64(<8 x i16> %a, <8 x i16> %b) {
+; SSE-LABEL: sext_mulhuw_v8i16_i64:
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pmulhw %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
-; AVX-LABEL: mulhw_v8i16_i64:
+; AVX-LABEL: sext_mulhuw_v8i16_i64:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhw %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    retq
@@ -337,21 +337,21 @@
   ret <8 x i16> %e
 }
 
-define <4 x i32> @mulhuw_v4i16_lshr(<4 x i16> %a, <4 x i16> %b) {
-; SSE2-LABEL: mulhuw_v4i16_lshr:
+define <4 x i32> @zext_mulhuw_v4i16_lshr(<4 x i16> %a, <4 x i16> %b) {
+; SSE2-LABEL: zext_mulhuw_v4i16_lshr:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    pmulhuw %xmm1, %xmm0
 ; SSE2-NEXT:    pxor %xmm1, %xmm1
 ; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
 ; SSE2-NEXT:    retq
 ;
-; SSE41-LABEL: mulhuw_v4i16_lshr:
+; SSE41-LABEL: zext_mulhuw_v4i16_lshr:
 ; SSE41:       # %bb.0:
 ; SSE41-NEXT:    pmulhuw %xmm1, %xmm0
 ; SSE41-NEXT:    pmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
 ; SSE41-NEXT:    retq
 ;
-; AVX-LABEL: mulhuw_v4i16_lshr:
+; AVX-LABEL: zext_mulhuw_v4i16_lshr:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhuw %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
@@ -417,8 +417,8 @@
   ret <4 x i32> %d
 }
 
-define <8 x i32> @mulhuw_v8i16_lshr(<8 x i16> %a, <8 x i16> %b) {
-; SSE2-LABEL: mulhuw_v8i16_lshr:
+define <8 x i32> @zext_mulhuw_v8i16_lshr(<8 x i16> %a, <8 x i16> %b) {
+; SSE2-LABEL: zext_mulhuw_v8i16_lshr:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    movdqa %xmm0, %xmm2
 ; SSE2-NEXT:    pmulhuw %xmm1, %xmm2
@@ -429,7 +429,7 @@
 ; SSE2-NEXT:    movdqa %xmm2, %xmm1
 ; SSE2-NEXT:    retq
 ;
-; SSE41-LABEL: mulhuw_v8i16_lshr:
+; SSE41-LABEL: zext_mulhuw_v8i16_lshr:
 ; SSE41:       # %bb.0:
 ; SSE41-NEXT:    movdqa %xmm0, %xmm2
 ; SSE41-NEXT:    pmulhuw %xmm1, %xmm2
@@ -439,7 +439,7 @@
 ; SSE41-NEXT:    movdqa %xmm2, %xmm1
 ; SSE41-NEXT:    retq
 ;
-; AVX-LABEL: mulhuw_v8i16_lshr:
+; AVX-LABEL: zext_mulhuw_v8i16_lshr:
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpmulhuw %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
@@ -517,8 +517,8 @@
   ret <8 x i32> %d
 }
 
-define <16 x i32> @mulhuw_v16i16_lshr(<16 x i16> %a, <16 x i16> %b) {
-; SSE2-LABEL: mulhuw_v16i16_lshr:
+define <16 x i32> @zext_mulhuw_v16i16_lshr(<16 x i16> %a, <16 x i16> %b) {
+; SSE2-LABEL: zext_mulhuw_v16i16_lshr:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    movdqa %xmm1, %xmm4
 ; SSE2-NEXT:    movdqa %xmm0, %xmm1
@@ -534,7 +534,7 @@
 ; SSE2-NEXT:    movdqa %xmm4, %xmm3
 ; SSE2-NEXT:    retq
 ;
-; SSE41-LABEL: mulhuw_v16i16_lshr:
+; SSE41-LABEL: zext_mulhuw_v16i16_lshr:
 ; SSE41:       # %bb.0:
 ; SSE41-NEXT:    movdqa %xmm1, %xmm4
 ; SSE41-NEXT:    movdqa %xmm0, %xmm1
@@ -548,7 +548,7 @@
 ; SSE41-NEXT:    movdqa %xmm4, %xmm3
 ; SSE41-NEXT:    retq
 ;
-; AVX2-LABEL: mulhuw_v16i16_lshr:
+; AVX2-LABEL: zext_mulhuw_v16i16_lshr:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhuw %ymm1, %ymm0, %ymm1
 ; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
@@ -556,7 +556,7 @@
 ; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX2-NEXT:    retq
 ;
-; AVX512-LABEL: mulhuw_v16i16_lshr:
+; AVX512-LABEL: zext_mulhuw_v16i16_lshr:
 ; AVX512:       # %bb.0:
 ; AVX512-NEXT:    vpmulhuw %ymm1, %ymm0, %ymm0
 ; AVX512-NEXT:    vpmovzxwd {{.*#+}} zmm0 = ymm0[0],zero,ymm0[1],zero,ymm0[2],zero,ymm0[3],zero,ymm0[4],zero,ymm0[5],zero,ymm0[6],zero,ymm0[7],zero,ymm0[8],zero,ymm0[9],zero,ymm0[10],zero,ymm0[11],zero,ymm0[12],zero,ymm0[13],zero,ymm0[14],zero,ymm0[15],zero
@@ -669,8 +669,8 @@
   ret <16 x i32> %d
 }
 
-define <32 x i32> @mulhuw_v32i16_lshr(<32 x i16> %a, <32 x i16> %b) {
-; SSE2-LABEL: mulhuw_v32i16_lshr:
+define <32 x i32> @zext_mulhuw_v32i16_lshr(<32 x i16> %a, <32 x i16> %b) {
+; SSE2-LABEL: zext_mulhuw_v32i16_lshr:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    movq %rdi, %rax
 ; SSE2-NEXT:    pmulhuw %xmm7, %xmm3
@@ -700,7 +700,7 @@
 ; SSE2-NEXT:    movdqa %xmm8, (%rdi)
 ; SSE2-NEXT:    retq
 ;
-; SSE41-LABEL: mulhuw_v32i16_lshr:
+; SSE41-LABEL: zext_mulhuw_v32i16_lshr:
 ; SSE41:       # %bb.0:
 ; SSE41-NEXT:    movq %rdi, %rax
 ; SSE41-NEXT:    pmulhuw %xmm4, %xmm0
@@ -726,7 +726,7 @@
 ; SSE41-NEXT:    movdqa %xmm8, (%rdi)
 ; SSE41-NEXT:    retq
 ;
-; AVX2-LABEL: mulhuw_v32i16_lshr:
+; AVX2-LABEL: zext_mulhuw_v32i16_lshr:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhuw %ymm2, %ymm0, %ymm2
 ; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm0 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
@@ -739,7 +739,7 @@
 ; AVX2-NEXT:    vmovdqa %ymm4, %ymm1
 ; AVX2-NEXT:    retq
 ;
-; AVX512F-LABEL: mulhuw_v32i16_lshr:
+; AVX512F-LABEL: zext_mulhuw_v32i16_lshr:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vpmulhuw %ymm1, %ymm0, %ymm2
 ; AVX512F-NEXT:    vpmovzxwd {{.*#+}} zmm2 = ymm2[0],zero,ymm2[1],zero,ymm2[2],zero,ymm2[3],zero,ymm2[4],zero,ymm2[5],zero,ymm2[6],zero,ymm2[7],zero,ymm2[8],zero,ymm2[9],zero,ymm2[10],zero,ymm2[11],zero,ymm2[12],zero,ymm2[13],zero,ymm2[14],zero,ymm2[15],zero
@@ -750,7 +750,7 @@
 ; AVX512F-NEXT:    vmovdqa64 %zmm2, %zmm0
 ; AVX512F-NEXT:    retq
 ;
-; AVX512BW-LABEL: mulhuw_v32i16_lshr:
+; AVX512BW-LABEL: zext_mulhuw_v32i16_lshr:
 ; AVX512BW:       # %bb.0:
 ; AVX512BW-NEXT:    vpmulhuw %zmm1, %zmm0, %zmm1
 ; AVX512BW-NEXT:    vpmovzxwd {{.*#+}} zmm0 = ymm1[0],zero,ymm1[1],zero,ymm1[2],zero,ymm1[3],zero,ymm1[4],zero,ymm1[5],zero,ymm1[6],zero,ymm1[7],zero,ymm1[8],zero,ymm1[9],zero,ymm1[10],zero,ymm1[11],zero,ymm1[12],zero,ymm1[13],zero,ymm1[14],zero,ymm1[15],zero
@@ -960,8 +960,8 @@
   ret <32 x i32> %d
 }
 
-define <64 x i32> @mulhuw_v64i16_lshr(<64 x i16> %a, <64 x i16> %b) {
-; SSE2-LABEL: mulhuw_v64i16_lshr:
+define <64 x i32> @zext_mulhuw_v64i16_lshr(<64 x i16> %a, <64 x i16> %b) {
+; SSE2-LABEL: zext_mulhuw_v64i16_lshr:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    movdqa %xmm7, %xmm8
 ; SSE2-NEXT:    movq %rdi, %rax
@@ -1018,7 +1018,7 @@
 ; SSE2-NEXT:    movaps %xmm0, (%rdi)
 ; SSE2-NEXT:    retq
 ;
-; SSE41-LABEL: mulhuw_v64i16_lshr:
+; SSE41-LABEL: zext_mulhuw_v64i16_lshr:
 ; SSE41:       # %bb.0:
 ; SSE41-NEXT:    movdqa %xmm0, %xmm8
 ; SSE41-NEXT:    movq %rdi, %rax
@@ -1074,7 +1074,7 @@
 ; SSE41-NEXT:    movdqa %xmm0, (%rdi)
 ; SSE41-NEXT:    retq
 ;
-; AVX2-LABEL: mulhuw_v64i16_lshr:
+; AVX2-LABEL: zext_mulhuw_v64i16_lshr:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    movq %rdi, %rax
 ; AVX2-NEXT:    vpmulhuw %ymm4, %ymm0, %ymm0
@@ -1104,7 +1104,7 @@
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
 ;
-; AVX512F-LABEL: mulhuw_v64i16_lshr:
+; AVX512F-LABEL: zext_mulhuw_v64i16_lshr:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vpmulhuw %ymm2, %ymm0, %ymm4
 ; AVX512F-NEXT:    vpmovzxwd {{.*#+}} zmm4 = ymm4[0],zero,ymm4[1],zero,ymm4[2],zero,ymm4[3],zero,ymm4[4],zero,ymm4[5],zero,ymm4[6],zero,ymm4[7],zero,ymm4[8],zero,ymm4[9],zero,ymm4[10],zero,ymm4[11],zero,ymm4[12],zero,ymm4[13],zero,ymm4[14],zero,ymm4[15],zero
@@ -1122,7 +1122,7 @@
 ; AVX512F-NEXT:    vmovdqa64 %zmm5, %zmm1
 ; AVX512F-NEXT:    retq
 ;
-; AVX512BW-LABEL: mulhuw_v64i16_lshr:
+; AVX512BW-LABEL: zext_mulhuw_v64i16_lshr:
 ; AVX512BW:       # %bb.0:
 ; AVX512BW-NEXT:    vpmulhuw %zmm2, %zmm0, %zmm2
 ; AVX512BW-NEXT:    vpmovzxwd {{.*#+}} zmm0 = ymm2[0],zero,ymm2[1],zero,ymm2[2],zero,ymm2[3],zero,ymm2[4],zero,ymm2[5],zero,ymm2[6],zero,ymm2[7],zero,ymm2[8],zero,ymm2[9],zero,ymm2[10],zero,ymm2[11],zero,ymm2[12],zero,ymm2[13],zero,ymm2[14],zero,ymm2[15],zero
@@ -1504,8 +1504,8 @@
   ret <64 x i32> %d
 }
 
-define <8 x i64> @mulhuw_v8i16_lshr_i64(<8 x i16> %a, <8 x i16> %b) {
-; SSE2-LABEL: mulhuw_v8i16_lshr_i64:
+define <8 x i64> @zext_mulhuw_v8i16_lshr_i64(<8 x i16> %a, <8 x i16> %b) {
+; SSE2-LABEL: zext_mulhuw_v8i16_lshr_i64:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    pxor %xmm2, %xmm2
 ; SSE2-NEXT:    movdqa %xmm0, %xmm3
@@ -1533,7 +1533,7 @@
 ; SSE2-NEXT:    movdqa %xmm4, %xmm1
 ; SSE2-NEXT:    retq
 ;
-; SSE41-LABEL: mulhuw_v8i16_lshr_i64:
+; SSE41-LABEL: zext_mulhuw_v8i16_lshr_i64:
 ; SSE41:       # %bb.0:
 ; SSE41-NEXT:    pmulhuw %xmm1, %xmm0
 ; SSE41-NEXT:    pmovzxwq {{.*#+}} xmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
@@ -1546,7 +1546,7 @@
 ; SSE41-NEXT:    movdqa %xmm4, %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX2-LABEL: mulhuw_v8i16_lshr_i64:
+; AVX2-LABEL: zext_mulhuw_v8i16_lshr_i64:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhuw %xmm1, %xmm0, %xmm1
 ; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm0 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
@@ -1554,7 +1554,7 @@
 ; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
 ; AVX2-NEXT:    retq
 ;
-; AVX512-LABEL: mulhuw_v8i16_lshr_i64:
+; AVX512-LABEL: zext_mulhuw_v8i16_lshr_i64:
 ; AVX512:       # %bb.0:
 ; AVX512-NEXT:    vpmulhuw %xmm1, %xmm0, %xmm0
 ; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
@@ -1566,8 +1566,8 @@
   ret <8 x i64> %d
 }
 
-define <8 x i64> @mulhsw_v8i16_lshr_i64(<8 x i16> %a, <8 x i16> %b) {
-; SSE2-LABEL: mulhsw_v8i16_lshr_i64:
+define <8 x i64> @sext_mulhsw_v8i16_lshr_i64(<8 x i16> %a, <8 x i16> %b) {
+; SSE2-LABEL: sext_mulhsw_v8i16_lshr_i64:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    punpcklwd {{.*#+}} xmm6 = xmm6[0],xmm0[0],xmm6[1],xmm0[1],xmm6[2],xmm0[2],xmm6[3],xmm0[3]
 ; SSE2-NEXT:    psrad $16, %xmm6
@@ -1635,7 +1635,7 @@
 ; SSE2-NEXT:    psrlq $16, %xmm3
 ; SSE2-NEXT:    retq
 ;
-; SSE41-LABEL: mulhsw_v8i16_lshr_i64:
+; SSE41-LABEL: sext_mulhsw_v8i16_lshr_i64:
 ; SSE41:       # %bb.0:
 ; SSE41-NEXT:    pmulhw %xmm1, %xmm0
 ; SSE41-NEXT:    pmovzxwq {{.*#+}} xmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
@@ -1648,7 +1648,7 @@
 ; SSE41-NEXT:    movdqa %xmm4, %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX2-LABEL: mulhsw_v8i16_lshr_i64:
+; AVX2-LABEL: sext_mulhsw_v8i16_lshr_i64:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhw %xmm1, %xmm0, %xmm1
 ; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm0 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
@@ -1656,7 +1656,7 @@
 ; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
 ; AVX2-NEXT:    retq
 ;
-; AVX512-LABEL: mulhsw_v8i16_lshr_i64:
+; AVX512-LABEL: sext_mulhsw_v8i16_lshr_i64:
 ; AVX512:       # %bb.0:
 ; AVX512-NEXT:    vpmulhw %xmm1, %xmm0, %xmm0
 ; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
@@ -1668,8 +1668,8 @@
   ret <8 x i64> %d
 }
 
-define <8 x i64> @mulhsw_v8i16_ashr_i64(<8 x i16> %a, <8 x i16> %b) {
-; SSE2-LABEL: mulhsw_v8i16_ashr_i64:
+define <8 x i64> @sext_mulhsw_v8i16_ashr_i64(<8 x i16> %a, <8 x i16> %b) {
+; SSE2-LABEL: sext_mulhsw_v8i16_ashr_i64:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    punpcklwd {{.*#+}} xmm5 = xmm5[0],xmm0[0],xmm5[1],xmm0[1],xmm5[2],xmm0[2],xmm5[3],xmm0[3]
 ; SSE2-NEXT:    psrad $16, %xmm5
@@ -1757,7 +1757,7 @@
 ; SSE2-NEXT:    punpckldq {{.*#+}} xmm3 = xmm3[0],xmm5[0],xmm3[1],xmm5[1]
 ; SSE2-NEXT:    retq
 ;
-; SSE41-LABEL: mulhsw_v8i16_ashr_i64:
+; SSE41-LABEL: sext_mulhsw_v8i16_ashr_i64:
 ; SSE41:       # %bb.0:
 ; SSE41-NEXT:    pmulhw %xmm1, %xmm0
 ; SSE41-NEXT:    pmovsxwq %xmm0, %xmm4
@@ -1770,7 +1770,7 @@
 ; SSE41-NEXT:    movdqa %xmm4, %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX2-LABEL: mulhsw_v8i16_ashr_i64:
+; AVX2-LABEL: sext_mulhsw_v8i16_ashr_i64:
 ; AVX2:       # %bb.0:
 ; AVX2-NEXT:    vpmulhw %xmm1, %xmm0, %xmm1
 ; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm0
@@ -1778,7 +1778,7 @@
 ; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
 ; AVX2-NEXT:    retq
 ;
-; AVX512-LABEL: mulhsw_v8i16_ashr_i64:
+; AVX512-LABEL: sext_mulhsw_v8i16_ashr_i64:
 ; AVX512:       # %bb.0:
 ; AVX512-NEXT:    vpmulhw %xmm1, %xmm0, %xmm0
 ; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0